Western Digital 900GB, XE WD9001BKHG, SAS, 64MB, 10 000rpm, 2.5"

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Производител: Western Digital
Диск- обем: 900GB

Описание

Enterprise ready.
WD XE SAS hard drives provide up to 900 GB of high performance storage suitable for both enterprise server and enterprise storage applications.
Ultra-cool operation.
The small form-factor, 70 percent smaller than 3.5-inch drives, allows more system airflow resulting in lower cooling costs. In an environment where space and power are limited, the WD XE drives are an effective solution for high performance computing solutions such as power-constrained data centers, database transaction processing, and rack, tower, and blade servers.
Dual port, full duplex connectivity.
Offers higher reliability, performance and data availability by eliminating single points of failure, designed for high-availability mission-critical enterprise systems.
Industry’s highest reliability rating.
2 million hours MTBF.
Environmentally responsible.
In addition to being RoHS compliant, these drives are built with halogen reduced components.
NoTouch ramp load technology.
The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
Rotary Acceleration Feed Forward (RAFF).
Optimizes operation and performance when the drives are used in vibration-prone, multi-drive chassis.
Ideal for:
High performance computing and mission-critical environments.

WD XE ( WD9001BKHG)


Product Specifications
Interface SAS 6 Gb/s
Performance Specifications
Rotational Speed 10,000 RPM (nominal)
Buffer Size 32 MB
Transfer Rates
Transfer Rate (Buffer To Disk) 204 MB/s (Sustained)
Physical Specifications
Capacity 900 GB
Form Factor 2.5-inch Drive
User Sectors Per Drive 1,758,174,768
Physical Dimensions
English
Height 0.59 Inches
Depth 3.94 Inches
Width 2.75 Inches
Weight 0.51 Pounds
Metric
Height 15 mm
Depth 100 mm
Width 69.85 mm
Weight 0.23 kg
Environmental Specifications
Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 300G, 2 ms
Acoustics
Idle Mode 30 dBA (average)
Seek Mode 0 37 dBA (average)
Temperature (English)
Operating 41° F to 131° F
Non-operating -40° F to 158° F
Temperature (Metric)
Operating 5° C to 55° C
Non-operating -40° C to 70° C
Electrical Specifications
Current Requirements
Power Dissipation
Read/Write 7.80 Watts
Idle 5.30 Watts
As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.

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